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Detection range enhanced antenna using a triple polarization switching for mobile UHF RFID applications

  • Dongjin Lee
  • , Seung Tae Khang
  • , Soo Chang Chae
  • , Soo Ji Lee
  • , Jong Won Yu
  • Korea Advanced Institute of Science and Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, we present a detection range enhanced antenna for mobile ultra-high frequency (UHF) RFID (Radio-frequency identification) applications. For the detection rage enhancement, triple polarization switching is used with a pair of parallel dipoles and a feeding network. The pair of parallel dipoles placed orthogonally each other to make a three polarization states by controlling the switches on the feeding networks. With the compact size of the antenna, the proposed antenna can generate two orthogonal linear polarizations and right hand circular polarization. The use of the proposed antenna may lead to reduce polarization mismatch loss thus increasing the possible tag reading distance. Experimental results show that the proposed antenna of size 76 × 76 × 15 mm3 has the peak gain of 2.05dBi for linear polarization and 1.45dBic for RHCP.

Original languageEnglish
Title of host publication2015 International Symposium on Antennas and Propagation, ISAP 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9784885523038
StatePublished - 4 Apr 2016
EventInternational Symposium on Antennas and Propagation, ISAP 2015 - Hobart, Australia
Duration: 9 Nov 201512 Nov 2015

Publication series

Name2015 International Symposium on Antennas and Propagation, ISAP 2015

Conference

ConferenceInternational Symposium on Antennas and Propagation, ISAP 2015
Country/TerritoryAustralia
CityHobart
Period9/11/1512/11/15

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